/* ===========================================
   Hogan's Alley - Cart Drawer Component
   Premium Rainwear | Editorial Fashion
   =========================================== */

/* CSS Custom Properties */
:root {
    /* Cart Drawer Dimensions */
    --cart-panel-width: 420px;
    --cart-transition: 0.3s ease;
    --cart-backdrop-blur: 4px;

    /* Brand Colors */
    --cart-black: #0A0A0A;
    --cart-white: #FAFAF9;
    --cart-warm-white: #F5F4F2;
    --cart-gold: #C4A962;
    --cart-text-secondary: #4A4A4A;
    --cart-text-muted: #8A8A8A;
    --cart-border: #E5E5E3;
    --cart-error: #B91C1C;

    /* Typography */
    --cart-font-heading: 'Cormorant Garamond', Georgia, serif;
    --cart-font-body: 'Inter', system-ui, sans-serif;
    --cart-font-mono: 'JetBrains Mono', monospace;
}

/* ===========================================
   Body Scroll Lock
   =========================================== */
body.cart-open {
    overflow: hidden;
}

/* ===========================================
   Cart Drawer - Main Container
   =========================================== */
.cart-drawer {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    visibility: hidden;
}

.cart-drawer.is-open {
    pointer-events: auto;
    visibility: visible;
}

/* ===========================================
   Backdrop
   =========================================== */
.cart-drawer__backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(10, 10, 10, 0);
    backdrop-filter: blur(0);
    transition:
        background-color var(--cart-transition),
        backdrop-filter var(--cart-transition);
}

.cart-drawer.is-open .cart-drawer__backdrop {
    background-color: rgba(10, 10, 10, 0.5);
    backdrop-filter: blur(var(--cart-backdrop-blur));
}

/* ===========================================
   Panel
   =========================================== */
.cart-drawer__panel {
    position: absolute;
    top: 0;
    right: 0;
    width: var(--cart-panel-width);
    height: 100%;
    background-color: var(--cart-white);
    transform: translateX(100%);
    transition: transform var(--cart-transition);
    display: flex;
    flex-direction: column;
    box-shadow: -8px 0 32px rgba(10, 10, 10, 0.1);
}

.cart-drawer.is-open .cart-drawer__panel {
    transform: translateX(0);
}

/* ===========================================
   Header
   =========================================== */
.cart-drawer__header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    background-color: var(--cart-white);
    border-bottom: 1px solid var(--cart-border);
}

.cart-drawer__title {
    font-family: var(--cart-font-heading);
    font-size: 24px;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--cart-black);
    margin: 0;
}

.cart-drawer__title span {
    font-family: var(--cart-font-mono);
    font-size: 14px;
    font-weight: 400;
    color: var(--cart-text-muted);
}

.cart-drawer__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 32px;
    font-weight: 300;
    line-height: 1;
    color: var(--cart-black);
    transition:
        color var(--cart-transition),
        background-color var(--cart-transition);
}

.cart-drawer__close:hover {
    color: var(--cart-text-secondary);
    background-color: var(--cart-warm-white);
}

.cart-drawer__close:focus {
    outline: 2px solid var(--cart-gold);
    outline-offset: -2px;
}

/* ===========================================
   Cart Items Container
   =========================================== */
.cart-drawer__items {
    flex: 1;
    overflow-y: auto;
    padding: 0;
    -webkit-overflow-scrolling: touch;
}

/* Custom scrollbar */
.cart-drawer__items::-webkit-scrollbar {
    width: 4px;
}

.cart-drawer__items::-webkit-scrollbar-track {
    background: var(--cart-warm-white);
}

.cart-drawer__items::-webkit-scrollbar-thumb {
    background: var(--cart-border);
}

.cart-drawer__items::-webkit-scrollbar-thumb:hover {
    background: var(--cart-text-muted);
}

/* ===========================================
   Cart Item
   =========================================== */
.cart-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 16px;
    padding: 20px 28px;
    border-bottom: 1px solid var(--cart-border);
}

.cart-item:last-child {
    border-bottom: none;
}

/* Thumbnail */
.cart-item__image {
    width: 80px;
    height: 80px;
    overflow: hidden;
    flex-shrink: 0;
}

.cart-item__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    /* NO border-radius - sharp corners per brand guidelines */
}

/* Item Details */
.cart-item__details {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 0;
}

.cart-item__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.cart-item__info {
    min-width: 0;
}

.cart-item__name {
    font-family: var(--cart-font-body);
    font-size: 15px;
    font-weight: 500;
    color: var(--cart-black);
    margin: 0 0 4px 0;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cart-item__collection {
    font-family: var(--cart-font-mono);
    font-size: 11px;
    font-weight: 400;
    color: var(--cart-gold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 0 0 6px 0;
}

.cart-item__size {
    font-family: var(--cart-font-body);
    font-size: 13px;
    color: var(--cart-text-muted);
    margin: 0;
}

.cart-item__price {
    font-family: var(--cart-font-body);
    font-size: 15px;
    font-weight: 600;
    color: var(--cart-black);
    white-space: nowrap;
}

/* Footer area with quantity and remove */
.cart-item__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}

/* Quantity Controls */
.cart-item__quantity {
    display: flex;
    align-items: center;
    gap: 0;
    border: 1px solid var(--cart-border);
}

.cart-item__quantity-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    font-weight: 300;
    color: var(--cart-text-secondary);
    transition:
        color var(--cart-transition),
        background-color var(--cart-transition);
}

.cart-item__quantity-btn:hover {
    background-color: var(--cart-warm-white);
    color: var(--cart-black);
}

.cart-item__quantity-btn:focus {
    outline: 2px solid var(--cart-gold);
    outline-offset: -2px;
}

.cart-item__quantity-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.cart-item__quantity-value {
    font-family: var(--cart-font-mono);
    font-size: 13px;
    font-weight: 400;
    color: var(--cart-black);
    min-width: 32px;
    text-align: center;
    padding: 0 4px;
    background-color: var(--cart-white);
}

/* Remove Button */
.cart-item__remove {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--cart-font-body);
    font-size: 12px;
    font-weight: 400;
    color: var(--cart-text-muted);
    text-decoration: underline;
    text-underline-offset: 2px;
    padding: 4px 0;
    transition: color var(--cart-transition);
}

.cart-item__remove:hover {
    color: var(--cart-error);
}

.cart-item__remove:focus {
    outline: 2px solid var(--cart-gold);
    outline-offset: 2px;
}

/* ===========================================
   Footer
   =========================================== */
.cart-drawer__footer {
    position: sticky;
    bottom: 0;
    z-index: 10;
    padding: 24px 28px;
    background-color: var(--cart-white);
    border-top: 1px solid var(--cart-border);
}

/* Subtotal */
.cart-drawer__subtotal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.cart-drawer__subtotal-label {
    font-family: var(--cart-font-body);
    font-size: 14px;
    font-weight: 400;
    color: var(--cart-text-secondary);
}

.cart-drawer__subtotal-value {
    font-family: var(--cart-font-body);
    font-size: 18px;
    font-weight: 600;
    color: var(--cart-black);
}

/* Shipping Note */
.cart-drawer__shipping-note {
    font-family: var(--cart-font-body);
    font-size: 12px;
    color: var(--cart-text-muted);
    margin-bottom: 20px;
    text-align: center;
}

/* Checkout Button */
.cart-drawer__checkout {
    display: block;
    width: 100%;
    padding: 16px 24px;
    background-color: var(--cart-black);
    color: var(--cart-white);
    border: none;
    cursor: pointer;
    font-family: var(--cart-font-mono);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    text-align: center;
    transition:
        background-color var(--cart-transition),
        transform var(--cart-transition);
}

.cart-drawer__checkout:hover {
    background-color: var(--cart-text-secondary);
}

.cart-drawer__checkout:focus {
    outline: 2px solid var(--cart-gold);
    outline-offset: 2px;
}

.cart-drawer__checkout:active {
    transform: scale(0.98);
}

/* Continue Shopping Button */
.cart-drawer__continue {
    display: block;
    width: 100%;
    padding: 14px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--cart-font-body);
    font-size: 14px;
    font-weight: 400;
    color: var(--cart-text-secondary);
    text-align: center;
    text-decoration: underline;
    text-underline-offset: 3px;
    margin-top: 12px;
    transition: color var(--cart-transition);
}

.cart-drawer__continue:hover {
    color: var(--cart-black);
}

.cart-drawer__continue:focus {
    outline: 2px solid var(--cart-gold);
    outline-offset: 2px;
}

/* ===========================================
   Empty State
   =========================================== */
.cart-drawer__empty {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 48px 28px;
    text-align: center;
}

/* Show empty state when cart has no items */
.cart-drawer--empty .cart-drawer__empty {
    display: flex;
}

.cart-drawer--empty .cart-drawer__items,
.cart-drawer--empty .cart-drawer__footer {
    display: none;
}

.cart-drawer__empty-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
    opacity: 0.3;
}

.cart-drawer__empty-title {
    font-family: var(--cart-font-heading);
    font-size: 22px;
    font-weight: 500;
    color: var(--cart-black);
    margin: 0 0 12px 0;
}

.cart-drawer__empty-text {
    font-family: var(--cart-font-body);
    font-size: 14px;
    color: var(--cart-text-muted);
    margin: 0 0 32px 0;
    line-height: 1.6;
}

.cart-drawer__start-shopping {
    display: inline-block;
    padding: 14px 32px;
    background-color: var(--cart-black);
    color: var(--cart-white);
    border: none;
    cursor: pointer;
    font-family: var(--cart-font-mono);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    text-decoration: none;
    transition:
        background-color var(--cart-transition),
        transform var(--cart-transition);
}

.cart-drawer__start-shopping:hover {
    background-color: var(--cart-text-secondary);
}

.cart-drawer__start-shopping:focus {
    outline: 2px solid var(--cart-gold);
    outline-offset: 2px;
}

.cart-drawer__start-shopping:active {
    transform: scale(0.98);
}

/* ===========================================
   Loading State
   =========================================== */
.cart-drawer__loading {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 28px;
}

.cart-drawer--loading .cart-drawer__loading {
    display: flex;
}

.cart-drawer--loading .cart-drawer__items,
.cart-drawer--loading .cart-drawer__empty {
    display: none;
}

.cart-drawer__spinner {
    width: 32px;
    height: 32px;
    border: 2px solid var(--cart-border);
    border-top-color: var(--cart-gold);
    border-radius: 50%;
    animation: cart-spin 0.8s linear infinite;
}

@keyframes cart-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===========================================
   Item Update Animation
   =========================================== */
.cart-item--updating {
    opacity: 0.5;
    pointer-events: none;
}

.cart-item--removing {
    animation: cart-item-remove 0.3s ease forwards;
}

@keyframes cart-item-remove {
    to {
        opacity: 0;
        transform: translateX(20px);
        height: 0;
        padding-top: 0;
        padding-bottom: 0;
        margin: 0;
        overflow: hidden;
    }
}

/* ===========================================
   Mobile Responsive (max-width: 640px)
   =========================================== */
@media (max-width: 640px) {
    :root {
        --cart-panel-width: 100%;
    }

    .cart-drawer__panel {
        width: 100%;
    }

    /* Header */
    .cart-drawer__header {
        padding: 20px 20px;
    }

    .cart-drawer__title {
        font-size: 22px;
    }

    .cart-drawer__close {
        width: 48px;
        height: 48px;
        font-size: 36px;
    }

    /* Cart Items */
    .cart-item {
        padding: 16px 20px;
        gap: 14px;
    }

    .cart-item__image {
        width: 72px;
        height: 72px;
    }

    .cart-item__name {
        font-size: 14px;
    }

    .cart-item__collection {
        font-size: 10px;
    }

    .cart-item__size {
        font-size: 12px;
    }

    .cart-item__price {
        font-size: 14px;
    }

    /* Quantity Controls - Larger touch targets */
    .cart-item__quantity-btn {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .cart-item__quantity-value {
        min-width: 40px;
        font-size: 14px;
    }

    .cart-item__remove {
        font-size: 13px;
        padding: 8px 4px;
    }

    /* Footer */
    .cart-drawer__footer {
        padding: 20px;
    }

    .cart-drawer__subtotal-value {
        font-size: 17px;
    }

    .cart-drawer__checkout {
        padding: 18px 24px;
        font-size: 14px;
    }

    .cart-drawer__continue {
        padding: 16px 24px;
        font-size: 15px;
    }

    /* Empty State */
    .cart-drawer__empty {
        padding: 40px 20px;
    }

    .cart-drawer__empty-title {
        font-size: 20px;
    }

    .cart-drawer__start-shopping {
        padding: 16px 36px;
        font-size: 13px;
    }
}

/* ===========================================
   Tablet Responsive (max-width: 768px)
   =========================================== */
@media (max-width: 768px) and (min-width: 641px) {
    :root {
        --cart-panel-width: 380px;
    }

    .cart-drawer__header {
        padding: 22px 24px;
    }

    .cart-item {
        padding: 18px 24px;
    }

    .cart-drawer__footer {
        padding: 22px 24px;
    }
}

/* ===========================================
   Reduced Motion
   =========================================== */
@media (prefers-reduced-motion: reduce) {
    .cart-drawer__panel,
    .cart-drawer__backdrop,
    .cart-drawer__close,
    .cart-drawer__checkout,
    .cart-drawer__continue,
    .cart-drawer__start-shopping,
    .cart-item__quantity-btn,
    .cart-item__remove {
        transition: none;
    }

    .cart-drawer__spinner {
        animation: none;
    }

    .cart-item--removing {
        animation: none;
        display: none;
    }
}

/* ===========================================
   High Contrast Mode
   =========================================== */
@media (prefers-contrast: high) {
    .cart-drawer__panel {
        border-left: 2px solid var(--cart-black);
    }

    .cart-drawer__close:focus,
    .cart-drawer__checkout:focus,
    .cart-drawer__continue:focus,
    .cart-drawer__start-shopping:focus,
    .cart-item__quantity-btn:focus,
    .cart-item__remove:focus {
        outline-width: 3px;
    }

    .cart-item__quantity {
        border-width: 2px;
    }
}

/* ===========================================
   Print Styles
   =========================================== */
@media print {
    .cart-drawer {
        display: none !important;
    }
}